Hand A, Blake A, Kerrigan P, Samuel P, Friedberg J. History of medical cannabis. J Pain Manage 2016; 9: 387–94.
World Health Organization. UN Commission on Narcotic Drugs reclassifies cannabis to recognize its therapeutic uses. News release. December 4, 2020. Accessed November 8, 2021: https://www.who.int/news/item/04-12-2020-un-commission-on-narcotic-drugs-reclassifies-cannabis-to-recognize-its-therapeutic-uses
PubMed: Cannabis search results. Accessed November 8, 2021: https://pubmed.ncbi.nlm.nih.gov/?term=Cannabis&timeline=expanded